The TEP70 main line single unit diesel passenger locomotive, rated at 2964 kW (4000HP), with AC/DC transmission and individual axle traction control, is designed to haul passenger trains on the Russian Federation lines RZD with the broad gauge

Broad gauge

Broad-gauge railways use a track gauge greater than the standard gauge of .- List :For list see: List of broad gauges, by gauge and country- History :...

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The TEP70 diesel locomotive has been used as the basis of two other sub classed TEP70BS and TEP70U 

The TEP70 also shares a number of components with the 2TE70

2TE70

The 2TE70 main line dual unit diesel freight locomotive, rated at 6000 kW , with AC/DC transmission and individual axle traction control, is designed to haul freight trains on the Russian Federation lines RZD with the broad gauge. The 2ТE70 Freight diesel locomotive with two six axial sections...

two-unit freight locomotive.